body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td { margin:0; padding:0; } 
body, button, input, select, textarea { font:12px/1.5tahoma, arial, \5b8b\4f53; } 
h1, h2, h3, h4, h5, h6{ font-size:100%; } 
address, cite, dfn, em, var { font-style:normal; } 
code, kbd, pre, samp { font-family:couriernew, courier, monospace; } 
small{ font-size:12px; } 
ul, ol { list-style:none; } 
a { text-decoration:none !important; } 
a:hover { text-decoration:underline; } 
sup { vertical-align:text-top; } 
sub{ vertical-align:text-bottom; } 
legend { color:#000; } 
fieldset, img { border:0; }
button, input, select, textarea { font-size:100%; } 
table { border-collapse:collapse; border-spacing:0; } 
*{
    box-sizing: border-box;
}
@media screen and (min-width: 320px) {
    html {
        font-size: 22px;
    }
}

@media screen and (min-width: 375px) {
    html {
        font-size: 26px;
    }
}

@media screen and (min-width: 750px) {
    html {
        font-size: 52px;
    }
}

@media screen and (min-width: 1080px) {
    html {
        font-size: 75px;
    }
}

@media screen and (min-width: 1280px) {
    html {
        font-size: 89px;
    }
}

/* 媒体查询适配模板 预设值为 100 	*/
@media screen and (min-width: 1440px) {
    html {
        font-size: 100px;
    }
}



@media screen and (max-width: 750px) {
    .header{
        .main-header{
            .nav{
                .nav__list{
                    display: none !important;
                }
            }
            
            .searchBox{
                display: none !important;
            }
        }
      
    }

}